Abstract
Fulfilling “green chemistry” targets by incorporating environmentally benign synthesis methods into advancing nanotechnology is an alternative pathway for risk reduction and attaining sustainability. In this work, the synthesis and subsequent stabilization of silver nanoparticles (AgNPs) via a greener fashion using nutritious as well as biochemically rich Carica papaya (male) flower extract (CPFE) is introduced. The morphological and surface structural characteristic studies of CPFE-mediated AgNPs (CPFE-AgNPs) were carried out using different spectroscopic techniques. Kaempferol-dominated reduction and capping mechanism involved during the formation of CPFE-AgNPs has been discussed. The AgNPs synthesized in this study possess long-term stability with uniform size (12.30 ± 3.33 nm) and are spherical in shape.The sustainable and relevant application of phyto-fabricated CPFE-AgNPs in the biosensing of amino acid tryptophan (Trp) is investigated and highlighted its necessity over synthetic sensors that have higher toxicity.
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